The branch of the system which deals with method and discipline is called Kriyâ-yoga and in later works we also find the expression Haṭha-yoga, which is specially used to designate mechanical means (such as postures, purification, etc.) prescribed for the attainment of various mental states.

i am endlessly amused & sickened ... no easy trick - by people rushing to kiss Lugars ass, ignoring the fact hes got blood & guts up to his armpits from his statesmanlike "postures" during the Carter/Reagan/Bush I mass murder in Central America.